75520052 has 12 divisors (see below), whose sum is σ = 139934340. Its totient is φ = 35538816.

The previous prime is 75520051. The next prime is 75520057. The reversal of 75520052 is 25002557.

It can be written as a sum of positive squares in 2 ways, for example, as 42042256 + 33477796 = 6484^2 + 5786^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75520051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555227 + ... + 555362.

It is an arithmetic number, because the mean of its divisors is an integer number (11661195).

Almost surely, 2^75520052 is an apocalyptic number.

It is an amenable number.

75520052 is a deficient number, since it is larger than the sum of its proper divisors (64414288).

75520052 is a wasteful number, since it uses less digits than its factorization.

75520052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110610 (or 1110608 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 26.

The square root of 75520052 is about 8690.2273848272. The cubic root of 75520052 is about 422.6888191189.

The spelling of 75520052 in words is "seventy-five million, five hundred twenty thousand, fifty-two".